interface FastEthernet1/0/1
 description Freepbx VLAN 10 Internal 192.168.1.2 ETH1
 switchport trunk encapsulation dot1q
 switchport trunk allowed vlan 10
 switchport mode trunk
!
interface FastEthernet1/0/2
 description Freepbx VLAN 1 External 172.16.0.3 ETH0
 switchport trunk allowed vlan 1
!
interface FastEthernet1/0/3
 switchport access vlan 10
 switchport mode access
!